sudo apt install ccache build-essential cmake pkg-config libjpeg-dev libtiff5-dev libjasper-dev libpng12-dev libv4l-dev libx264-dev libgtk2.0-dev libatlas-base-dev libopenexr-dev cmake python-dev python-numpy python-tk  libeigen2-dev yasm libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev libqt5opengl5-dev libavcodec-dev libavformat-dev libswscale-dev -y